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authorJames Almer <jamrial@gmail.com>2017-03-03 00:25:54 -0300
committerJames Almer <jamrial@gmail.com>2017-03-03 13:36:49 -0300
commite2b7ae4b198c1dc001b3b28476608eaf4daf726c (patch)
treefdfb0ae3c815e99b262fabcbd9c3bfde98149908 /libavcodec/xsubenc.c
parentd8094a303ba36344015a44d629bafc6d7094b4ac (diff)
downloadffmpeg-e2b7ae4b198c1dc001b3b28476608eaf4daf726c.tar.gz
avutil/md5: fix misaligned reads
This makes ubsan happy and also considerably increases performance on big endian systems. Tested on an IBM POWER7 3.55 GHz Before: 2.24user 0.14system 0:02.39elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k 2.26user 0.11system 0:02.38elapsed 99%CPU (0avgtext+0avgdata 2688maxresident)k 2.23user 0.15system 0:02.38elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k 2.25user 0.12system 0:02.38elapsed 100%CPU (0avgtext+0avgdata 2624maxresident)k 2.20user 0.15system 0:02.36elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k After: 1.86user 0.13system 0:02.00elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k 1.89user 0.11system 0:02.01elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k 1.85user 0.14system 0:02.00elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k 1.84user 0.15system 0:01.99elapsed 99%CPU (0avgtext+0avgdata 2624maxresident)k 1.89user 0.13system 0:02.02elapsed 99%CPU (0avgtext+0avgdata 2688maxresident)k Tested-by: Nicolas George <george@nsup.org> Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: James Almer <jamrial@gmail.com>
Diffstat (limited to 'libavcodec/xsubenc.c')
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